shell 四级六级考研

The sea cast up shells on the beach.

海水把贝壳冲到沙滩上来了。

Most snails have shells on their backs.

大多数蜗牛背上有壳。

Aluminum alloy shell, elegant, durable, heat eliminable.

铝合金外壳，时尚，耐用，散热好。

Shell carvings are a specialty of the town.

贝雕是该城的特产。

But at last the shells cracked, one after another.

最后, 蛋壳一个接着一个地裂开了。

The battlefield was full of craters made by exploding shells.

战场上布满坑。

Washed up from afar this crackle brown lip shell pendant hangs from chocolate coloured faux suedette.

来自远方的震撼.充满裂纹的棕嘴唇贝壳,挂在巧的人造麂皮链上.

Shells were rained on them, but no one thought of his own danger.

炮雨点般地落下来, 但没有一个人到个人安危。

The men in the trenches stayed down while the enemy shells were exploding.

当敌人的炮爆炸时, 战壕里的人卧倒了。

A support for an oarlock projecting from the side of a racing shell.

一个用来托着宝石保持它的位置的金属板（如在戒指上的钻石或其他首饰上也有）。

Both the shell and the inside are made of rotproof and antirust stainless steel.

该瓶盖外壳和内胆都是不锈钢，防腐防锈。

Shells rained on the enemy positions.

炮雨点般地落在敌军阵地上。

On the seashore, Lili once found a tzaritza, a magic shell that grants one wish.

小女孩很幸运的在沙滩上，找到传说中的好运贝，凡是对它许愿都会成真。

Casehardening involves a change of surface properties to produce ahard,wear-resistant shell about a tough,fracture-resistant core.

表面硬化包含一个高硬度、耐磨性的壳以及高韧性的芯。

A boundary layer theory of shell buckling,which includes the effects of nonlinear prebuckling deformations, large .

将壳体屈曲的边界层理论推广到复合材料层合剪切圆柱曲板受侧压作用的情况。

In this paper, the plating technology and the quality checkout of plating-layer of trimetal bearing shell are discussed.

讨论了三金属轴瓦镀层的电镀技术和质量检测,试验结果表明,所研究的电镀技术能满足轴瓦产品的要求。

This article introduced field assembly of large-scale towers adopting jack,the welding of the shell,heat treating and hydrostatical test.

介绍了大型塔器现场采用千斤顶进行组对、焊接、热处理、水压试验,同时对如何解决塔段出现椭圆变形超标的问题进行阐述。

The briefing covers quality of the shell pierced by the three-high piercing mill, thespecific rolling failures and countermeasures thereagainst.

简要地介绍了三辊穿孔机所穿毛管的质量及该穿孔机特有的轧制故障和预防措施。

Common seal the shell is made from the book stereoplasm paerboard, soft cover, the nucleus Raphe Magnus paper etc.

常见的书封壳是由硬质纸板、软质封面、中缝纸等加工而成。

Definition: Oyster Shell is the shell of Ostrea gigas Thunberg, Ostrea talienwhanensis Crosse or Ostrea rivularis Gould (Fam.Osteridae).

本品为牡蛎科动物长牡蛎 Ostrea gigas Thunberg、大连湾牡蛎 Ostrea talie nwhanensis Crosse 或近江牡蛎 Ostrea rivularis Gould的贝壳。